If your cat loves to rip the bows off your packages, then Spot Mylar Balls are the toys for her! Mylar is a durable material that cats go crazy for. These balls make the perfect toy to get cats up and active while indulging their natural instincts. Cats love to bat, pounce on and chase these mylar balls. Approximately 1.5″ diameter toys. Made of vibrant colors and mylar that produce a crinkle noise to intrgue your kitty!